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Californium 252

Californium 252 costs $ 27 million per gram.

californium 252

Californium is used in only very small doses, and its primary use is as a metal detector. That’s right, the best metal detector in the world will cost you around $27 million. The isotope of Californium reacts to gold and silver, so those that are mining know where to look for their precious metals.

californium 252

Californium can be used to start nuclear reactors and treat cancers. It is also found in metal detectors. But at $27m per gram, you'd have to be finding some pretty precious metal.

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